M-Shaped Hairline Hair Transplant: A Common Mistake That Leads to Revision Surgery

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Hello,

I am Director Seong Eung-kyung of Cheongdam OK Clinic, specializing in M-shaped hairline hair transplants.

▶ Regular Member of the Korean Society of Aesthetic Plastic and Laser Medicine
▶ Regular Member of the Korean Laser Skin and Hair Society
▶ Regular Member of the Korean Society for Obesity Research
▶ Regular Member of the Korean Filler Society
▶ Regular Member of the Korean Society of Aesthetic Surgery

When considering an M-shaped hairline hair transplant, it is easy to think,

“Can’t I just fill in the recessed areas?”

However, the actual result depends not so much on how much was filled in, but on how it was designed and what method was used to implant it.

Even with the same procedure, one person may end up with a natural, youthful impression,

while another may look obviously transplanted.

The reason is exactly this part.

Today, I’ll explain in detail the common mistakes in M-shaped hairline hair transplants that lead to revision surgery.

Table of Contents
1. An M-shaped hairline is about “connecting,” not just “filling in”2. Design methods that differ by face shape3. Front-line design that creates a natural look4. What is often overlooked during the procedure and recovery

1. An M-shaped hairline is about “connecting,” not just “filling in”

If you approach the M-shaped area simply as a place to fill in empty space, the result often looks unnatural.

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What matters is creating a structure in which the recessed areas and the existing hair blend together naturally.

If the line feels abruptly cut off, it creates a strong artificial impression, so the key is to soften the boundary.

M-shaped hairline hair transplant

Not only from the front, but also from the side, whether the line blends naturally often determines the overall completeness of the result.

2. Design methods that differ by face shape

Even with the same M-shape, the approach should change depending on the location and depth of the recession, and the overall shape of the forehead.

Case of one side being broadly recessed, before

When both sides are broadly recessed versus when only one side is more recessed, the range and position for filling in the line will differ.

Case of one side being broadly recessed, 4 weeks later

Rather than simply lowering every recessed area, a method that only complements the necessary sections leads to a more balanced result.

When there is left-right asymmetry as well, instead of trying to make both sides exactly the same, it is more important to adjust within a range that still looks natural.

M-shaped hairline hair transplant

During consultation, it is important to look at the forehead shape, facial proportions, and eyebrow position, and personally draw a design for each individual.

3. Front-line design that creates a natural look

What determines how natural an M-shaped hair transplant looks is how the front line is designed.

The very front of the hairline should start with fine single follicles, and as it moves inward, thicker and fuller follicles should be placed to create a natural sense of density.

If you fill it in with thick hair from the very beginning without this order, the line becomes clearly visible and leaves a strong transplanted appearance.

Left) Before, Right) 3 weeks later

It is also easy to think that the lower the hairline, the better, but if it is lowered too much, the facial proportions can look unnatural instead.

Over time, it may also lose harmony with the surrounding hair, so the design needs to consider not only the current appearance but also future changes.

4. What is often overlooked during the procedure and recovery

The procedure involves harvesting follicles from the back of the head and implanting them into the M-shaped area.

M-shaped hairline hair transplant

Because it is performed under local anesthesia, there is almost no pain during the procedure, and it usually takes about 3 to 5 hours.

After the procedure, scabbing may form over the transplanted area for 2 to 3 weeks, and redness may remain.

M-shaped hairline hair transplant

During this period, touching or rubbing the transplanted area too hard may cause follicles to come out, so caution is needed.

The transplanted follicles may shed once within 1 to 2 months and start growing again from around 3 to 6 months,

and this is a normal part of the process, so there is no need to worry.

The final result can be checked after 12 months, and since alcohol and smoking affect graft survival, it is recommended to avoid them for at least 2 weeks before and after the procedure.

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